Question

$(-1)^{25} + (-1)^{50}- (-1)^{20} / 1^0 =?$

• A. -1
• B. 0
• C. 1
• D. ഇവയൊന്നുമല്ല

Answer 1

Answer:

A. -1

1. When $-1$ is raised to an odd power, the result is $-1$.

2. When $-1$ is raised to an even power, the result is $1$.

3. Any non-zero number raised to the power of zero is $1$.

$(-1)^{25} =(-1)^{\text{odd number}}= -1$

$(-1)^{50} =(-1)^{\text{even number}}= 1$

$(-1)^{20} = 1$

$1^0 = 1$

$-1+1-1/1=-1$